Tread portion of an automobile tire



FIG. 1 is a perspective view of a tread portion of an automobile tireaccording to a first embodiment of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a fragmentary enlarged front view showing details thereof; and

FIG. 8 is a section view taken along line 8-8 in FIG. 7;

FIG. 9 is a section view taken along the line 9-9 in FIG. 7; and,

FIG. 10 is a section view taken along the line 10-10 in FIG. 7 thereof.

In the drawings, the broken lines defining the sidewall, inner bead andthe peripheral boundary between the claimed tire tread and the unclaimedsidewall depict environmental subject matter that forms no part of theclaimed design.

CLAIM The ornamental design for a tread portion of an automobile tire,as shown and described.